SOLUTION: The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers? 40 and 80 35 and 85 50 and 70 30 and 90

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Question 1001871: The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers?
40 and 80
35 and 85
50 and 70
30 and 90
Found 3 solutions by solver91311, lwsshak3, MathTherapy:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!






Solve the 2X2 system for and

John

My calculator said it, I believe it, that settles it

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers
let x= one of the numbers
y=other number
x+y=120
x-y=40
y=x-40
y=x-40x-40=40
add
2x=160
x=80
one of the numbers=80
other number=40

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers?
40 and 80
35 and 85
50 and 70
30 and 90
All pairs sum to 120, but ONLY 1 differs by 40. That's your answer!